Perth Glory move nine points clear at the top of the Hyundai A-League with a 2-0 win over Adelaide United.

Shayon Harrison scored his first goal in the A-League to help Melbourne City to a 2-0 win at the Leichhardt Oval.

Wellington Phoenix put on a show in the first half of their game against Western Sydney Wanderers.

VAR denied Newcastle Jets a point after Ben Kennedy saved a penalty to seal all three points for the Central Coast Mariners.

Games of football are defined by a fluid narrative. One thing happens, followed by another, and then another. The referee's whistle is seemingly the only protection against the possibility of infinitely alternate realities.

So much in football rests on the timing of a movement or decision, or the mere bounce of the ball, creating perpetual causality.